Feature:1. Silent: The innovative carbon brush design of the nail polishers is silent operation and does not damage your nails. The carbon brush design of the grinding head is both sturdy and accurate and soft, it can gently grind the edges of the nails, remove the cuticles and irregularities on the surface of the nails, and make the nails smoother and more even.2. Easy to Grip: Coreless motor structure, lightweight and easy to hold, easy to operate. The hollow cup structure design effectively reduces the weight of the entire polisher, allowing the user to feel more relaxed and comfortable during the nail care process.3. High Speed: The 30,000 RPM makes the nail polishers more efficient in operation, which can quickly complete the nail care process, saving users time and energy. It can easily cope with all kinds of nail care needs, so that you can have a perfect nail look quickly.4. Flexible Control: With pause function, flexible control nail grinding effect. Allow users to stop at any time during the nail polishing process, view the results, or fine adjust the nails to achieve a more detailed nail effect.5. Rechargeable: Convenient to carry and use at any time. The rechargeable design frees users from the limitations of traditional batteries or plug ins, eliminating the need for frequent battery replacements or limitations on outlet locations, allowing for convenient nail care at any time.Specification:Item Type: Nail Drill MachineMaterial: ABSSpeed: 0-30000RPMBattery Type: Lithium ion Battery (built in)Battery Capacity: 2200mAh.Package List:1 x Main Machine1 x Nail Grinding Pen1 x Grinding Head1 x Storage Box1 x Instruction Manual1 x USB Charging Cable1 x Connection Cable1 x Storage Rack